eccodeslib
"eccodeslib"
Decision gist · record as of 2026-08-14
Yes, if you work with GRIB or BUFR meteorological data and your system can satisfy the ecCodes C library dependency. The package is actively maintained, widely used, carries no known vulnerabilities, and is officially Graduated by ECMWF. Verify that the license treatment (Apache 2.0 per the description, but unclear in metadata) and system-level installation requirements fit your environment before committing.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires the underlying ecCodes C library to be installed on the system; Python alone is insufficient.
- Consult ECMWF installation documentation for your platform.
- Medium install friction: wheels are available for multiple Python versions on macOS and Linux, but the package depends on eckitlib and wraps a compiled C library, so installation may require system-level dependencies.
License · maintenance · safety
(unclear) — License treatment is unclear in the metadata; the description states Apache Licence Version 2.0, but SPDX and raw license fields are absent from the package record, so verify the actual license terms before use in proprietary or restricted contexts.
last release 2026-07-17 (28 days)
0 known vulnerabilities (OSV.dev, 2026-08-14) · 973,379 downloads/mo, #4,605 on PyPI
Alternatives
Verify before relying
pip install eccodeslib
import eckitlib
# Use eckitlib to work with meteorological data formats- Whether eckitlib is a public PyPI package or an internal ECMWF dependency that may complicate installation.
- Exact Python version support (requires_python is unspecified in metadata).
- Whether the package includes pre-built ecCodes binaries or expects a system installation.
- Concrete usage examples and API surface for decoding GRIB and BUFR messages.
What it is and what it does
eccodeslib is a Python wrapper around ECMWF's ecCodes library, a mature tool for reading and writing meteorological data in standard WMO formats. It exposes a key/value interface to decode GRIB (gridded binary) and BUFR (binary universal form for the representation of meteorological data) messages, as well as WMO GTS headers. The package is designed for climate scientists, weather modelers, and data engineers who work with operational forecast data, reanalysis products, or observational records stored in these formats.
The package ships as pre-built wheels for multiple Python versions on macOS and Linux, but installation requires the underlying ecCodes C library and its runtime dependencies. It is actively maintained by ECMWF and classified as Graduated software under their maturity guidelines, indicating production readiness.
Use it for
- Ingest GRIB files from weather forecast models or reanalysis datasets into Python for analysis.
- Decode BUFR observation records from meteorological stations or satellite platforms.
- Extract specific meteorological fields using the key/value interface.
- Convert between GRIB and BUFR formats or validate message structure in data pipelines.
- Build climate or weather analysis workflows that depend on WMO-standard data formats.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you work with GRIB or BUFR meteorological data and your system can satisfy the ecCodes C library dependency.
The package is actively maintained, widely used, carries no known vulnerabilities, and is officially Graduated by ECMWF. Verify that the license treatment (Apache 2.0 per the description, but unclear in metadata) and system-level installation requirements fit your environment before committing.
Install
eccodeslib on PyPI
Before you install
Medium install friction: wheels are available for multiple Python versions on macOS and Linux, but the package depends on eckitlib and wraps a compiled C library, so installation may require system-level dependencies. Actively maintained with a release 28 days old.
Requires the underlying ecCodes C library to be installed on the system; Python alone is insufficient. Consult ECMWF installation documentation for your platform.
License in practice
License treatment is unclear in the metadata; the description states Apache Licence Version 2.0, but SPDX and raw license fields are absent from the package record, so verify the actual license terms before use in proprietary or restricted contexts.
Quickstart
pip install eccodeslib
import eckitlib
# Use eckitlib to work with meteorological data formatsVerify before relying
- Whether eckitlib is a public PyPI package or an internal ECMWF dependency that may complicate installation.
- Exact Python version support (requires_python is unspecified in metadata).
- Whether the package includes pre-built ecCodes binaries or expects a system installation.
- Concrete usage examples and API surface for decoding GRIB and BUFR messages.
Package facts
| License | Not declared unclear |
| Python support | Not specified |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | 1 packageeckitlib |
| Maintenance | Actively maintained 28 days since the last release |
| First released | |
| Downloads | 973,379 / month, #4,605 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
Evidence: eccodeslib-2.48.0.26-cp310-cp310-macosx_13_0_arm64.whl; eccodeslib-2.48.0.26-cp310-cp310-macosx_13_0_x86_64.whl; eccodeslib-2.48.0.26-cp310-cp310-manylinux_2_28_aarch64.whl; eccodeslib-2.48.0.26-cp310-cp310-manylinux_2_28_x86_64.whl; eccodeslib-2.48.0.26-cp311-cp311-macosx_13_0_arm64.whl; eccodeslib-2.48.0.26-cp311-cp311-macosx_13_0_x86_64.whl; eccodeslib-2.48.0.26-cp311-cp311-manylinux_2_28_aarch64.whl; eccodeslib-2.48.0.26-cp311-cp311-manylinux_2_28_x86_64.whl; eccodeslib-2.48.0.26-cp312-cp312-macosx_13_0_arm64.whl; eccodeslib-2.48.0.26-cp312-cp312-macosx_13_0_x86_64.whl; eccodeslib-2.48.0.26-cp312-cp312-manylinux_2_28_aarch64.whl; eccodeslib-2.48.0.26-cp312-cp312-manylinux_2_28_x86_64.whl; eccodeslib-2.48.0.26-cp313-cp313-macosx_13_0_arm64.whl; eccodeslib-2.48.0.26-cp313-cp313-macosx_13_0_x86_64.whl; eccodeslib-2.48.0.26-cp313-cp313-manylinux_2_28_aarch64.whl; eccodeslib-2.48.0.26-cp313-cp313-manylinux_2_28_x86_64.whl; eccodeslib-2.48.0.26-cp314-cp314-macosx_13_0_arm64.whl; eccodeslib-2.48.0.26-cp314-cp314-macosx_13_0_x86_64.whl; eccodeslib-2.48.0.26-cp314-cp314-manylinux_2_28_aarch64.whl; eccodeslib-2.48.0.26-cp314-cp314-manylinux_2_28_x86_64.whl
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See also cfgrib · eccodes · metar · pdbufr · pygrib · eckitlib · earthkit-data · ecmwf-opendata · ecmwf-api-client · earthkit-utils